subtract 10%iles -0.000148773   0.00647879    0.0122790    0.0182986
    0.0252237    0.0341454    0.0472898    0.0708361     0.132389
diff 10%iles   -0.0563846   -0.0279355   -0.0156326  -0.00707293  0.000297546
   0.00765014    0.0161476    0.0283537    0.0564919
stardiff 10%iles   -0.0257153   -0.0142654  -0.00786358  -0.00290718
   0.00153126   0.00594101    0.0108054    0.0170561    0.0283099
stardiff contour -excluded 0.005   -0.0257153    0.0283099